Home / 25,555.36-38,327.28-7,088.80

Finding the Fourth Proportional to 25,555.36, 38,327.28 and 7,088.80

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Solution

The fourth proportional to 25,555.36, 38,327.28 and 7,088.80 is: 10,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,555.36 : 38,327.28 = 7,088.80 : x
  2. Step 2: Convert to fraction form
    25,555.36/38,327.28 = 7,088.80/x
  3. Step 3: Cross multiply
    25,555.36x = 38,327.28 × 7,088.80
  4. Step 4: Simplify right side
    25,555.36x = 271,694,422.46
  5. Step 5: Solve for x
    x = 271,694,422.46/25,555.36
  6. Step 6: Final answer
    x = 10,631.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.